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3780071 = 5979811
BaseRepresentation
bin1110011010110111100111
321010001021122
432122313213
51431430241
6213004155
744062421
oct16326747
97101248
103780071
112152029
12132365b
13a24739
14705811
154ea04b
hex39ade7

3780071 has 8 divisors (see below), whose sum is σ = 3897600. Its totient is φ = 3664440.

The previous prime is 3780067. The next prime is 3780079. The reversal of 3780071 is 1700873.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 3780071 - 22 = 3780067 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 3780071.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3780079) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4256 + ... + 5066.

It is an arithmetic number, because the mean of its divisors is an integer number (487200).

Almost surely, 23780071 is an apocalyptic number.

3780071 is a deficient number, since it is larger than the sum of its proper divisors (117529).

3780071 is an equidigital number, since it uses as much as digits as its factorization.

3780071 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 949.

The product of its (nonzero) digits is 1176, while the sum is 26.

The square root of 3780071 is about 1944.2404686664. The cubic root of 3780071 is about 155.7757983592.

It can be divided in two parts, 37 and 80071, that added together give a palindrome (80108).

The spelling of 3780071 in words is "three million, seven hundred eighty thousand, seventy-one".

Divisors: 1 59 79 811 4661 47849 64069 3780071